self.addEventListener('message', function(e) {
    var nworker = new Worker('hwww1.js');
    console.log('Created nested web worker');
    nworker.addEventListener('message', function(e) {
                console.log('Nested Worker said: ', e.data);
                //document.getElementById('status').innerHTML +='<br/>'+ 'Nested Worker said: '+ e.data;
            }, false);
    nworker.postMessage('Hello to nested web worker');    
  self.postMessage(e.data);
    console.log(e.data);
    console.log(navigator);
    console.log(navigator.language);
    for(var i = 0; i < navigator.languages.length; i++)
        console.log("Wrkr3:lang[" + i + "]-" + navigator.languages[i]);
    console.log(navigator.onLine);
}, false);